Oil and gas industries including lower carbon energy — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 4: Polyethylene coatings (2-layer PE)
NORMA vydaná dňa 6.2.2026
Designation standards: ISO 21809-4:2026-ed.2.0
Publication date standards: 6.2.2026
The number of pages: 68
Approximate weight : 204 g (0.45 lbs)
Country: International technical standard
Kategória: Technické normy ISO